Email Blacklist Checker
Instantly check if your IP address or domain is listed on email blacklists. Being blacklisted can severely impact your email deliverability.
Major Blacklists We Check
What To Do If You're Blacklisted
- Identify the cause - Check for compromised accounts, open relays, or spam complaints
- Fix the issue - Secure your servers and stop any spam-generating activity
- Request delisting - Use the delisting links provided in our results
- Monitor regularly - Check your status periodically to catch issues early
Why IP/Domain Blacklisting Matters
Email servers check blacklists before accepting mail. If your sending IP or domain is listed, your emails may be rejected or sent to spam. Regular monitoring helps maintain good deliverability and protect your sender reputation.
Common Causes of Blacklisting
- Sending to purchased email lists
- High complaint rates from recipients
- Compromised email accounts sending spam
- Open relay configurations on mail servers
- Shared hosting with other blacklisted senders
Three rules. Memorize them.
Re-check weekly.
A clean domain today can land on Spamhaus next week from one bad client list. Set a cadence.
Fix the cause before delisting.
Delisting without fixing the underlying issue gets you re-listed within 48h. Find the leak first.
Delisting takes 24–48h.
Most blacklists auto-clear after the issue is fixed. Spamhaus + Barracuda need a manual request.
Off the list. Now keep your reputation clean.
Domain Health Check
FreeMost blacklist hits trace back to broken SPF/DKIM/DMARC. Run a full audit on your sending domain.
Inbox Placement Test
FreeOff the blacklist but still in spam? Test placement to see what's really blocking inbox delivery.
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ProBad copy ends up in spam regardless of reputation. Get AI-tuned sequences that hit primary.
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